feat: wdpost: Config for maximum partition count per message

node/config/doc_gen.go

@@ -629,6 +629,12 @@ over the worker address if this flag is set.`,
 
 			Comment: `Maximum number of sector checks to run in parallel. (0 = unlimited)`,
 		},
+		{
+			Name: "MaxPartitionsPerMessage",
+			Type: "int",
+
+			Comment: `Setting this value above the network limit has no effect`,
+		},
 	},
 	"Pubsub": []DocField{
 		{

node/config/types.go

@@ -223,6 +223,20 @@ type ProvingConfig struct {
 	ParallelCheckLimit int
 
 	// todo disable builtin post
+	// Maximum number of partitions to prove in a single SubmitWindowPoSt messace. 0 = network limit (10 in nv16)
+	//
+	// A single partition may contain up to 2349 32GiB sectors, or 2300 64GiB sectors.
+	//
+	// The maximum number of sectors which can be proven in a single PoSt message is 25000 in network version 16, which
+	// means that a single message can prove at most 10 partinions
+	//
+	// In some cases when submitting PoSt messages which are recovering sectors, the default network limit may still be
+	// too high to fit in the block gas limit; In those cases it may be necessary to set this value to something lower
+	// than 10; Note that setting this value lower may result in less efficient gas use - more messages will be sent,
+	// to prove each deadline, resulting in more total gas use (but each message will have lower gas limit)
+	//
+	// Setting this value above the network limit has no effect
+	MaxPartitionsPerMessage int
 }
 
 type SealingConfig struct {